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Help CenterCustom Gear Hobbing Machining for Mining Equipment Large Helical Gears 42CrMo4 ISO 6336
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Henan San Kuang Machinery Technology Co., Ltd. proudly presents our Custom Gear Hobbing Machining for Mining Equipment Large Helical Gears, manufactured from premium 42CrMo4 alloy steel and designed to meet the rigorous standards of ISO 6336. As a factory established in 2014 with a 10,000-30,000 square meter facility and a dedicated team of 51-100 employees, we specialize in producing high-strength, wear-resistant helical gears that power the most demanding mining applications. Our gear hobbing process ensures exceptional tooth profile accuracy and surface finish, delivering reliable performance in heavy-load environments. With annual export values reaching up to US$5 million and shipments through major ports like Shanghai, Qingdao, and Tianjin, we serve clients across North America, Europe, Asia, and beyond.
Below is a detailed overview of our large helical gears tailored for mining equipment:
Key Product Features & Technical Specifications
Superior Material Strength: 42CrMo4 alloy steel provides high tensile strength and toughness, ideal for withstanding shock loads in mining operations. Optional heat treatments (quenching & tempering) enhance durability.
Precision Gear Hobbing: State-of-the-art hobbing machines ensure accurate tooth geometry, reducing noise and vibration during operation. Tolerance grades up to DIN 6 are achievable.
ISO 6336 Compliance: Our gears are designed and tested according to ISO 6336 standards for load capacity and strength, ensuring long service life under high torque.
Customizable Dimensions: Module range from 2 to 30, maximum outer diameter up to 3000 mm, and face width tailored to your specific reducer or drive system.
Surface Hardness Options: Through-hardened or case-hardened surfaces (HRC 50-60) for enhanced wear resistance in abrasive mining environments.
Rigorous Quality Control: Every gear undergoes hardness testing, magnetic particle inspection, and dimensional verification using CMM equipment.
Technical Parameters (Sample Data)
| Parameter | Value Range | Remarks |
|---|---|---|
| Module (m) | 2 – 30 | Customizable |
| Outside Diameter (mm) | Up to 3000 | Larger sizes available upon request |
| Face Width (mm) | 50 – 800 | Depending on design |
| Hardness (HRC) | 48 – 62 | Custom heat treatment |
| Tooth Profile Accuracy | DIN 6 – DIN 8 | Higher precision optional |
| Max Weight (kg) | Up to 15,000 | Depends on dimensions |
Benefits for Mining Equipment
✅ Extended Service Life: High-quality material and heat treatment reduce wear, lowering maintenance frequency and downtime.
✅ High Torque Transmission: Helical gear design provides smooth, continuous engagement for heavy-duty mining crushers, conveyors, and mills.
✅ Noise & Vibration Reduction: Precision hobbing and balanced tooth profile minimize operational noise, improving worker environment.
✅ Full Customization: From tooth count to keyway, every aspect can be tailored to match your existing equipment or OEM specifications.
✅ Fast Prototyping & Lead Times: Our experienced engineering team can deliver initial samples within 4-6 weeks for most designs.
Why Choose Henan San Kuang Machinery?
Since 2014, we have built a reputation for reliability in the mining and heavy machinery sectors. Our factory spans over 10,000 square meters, equipped with modern CNC hobbing machines, heat treatment furnaces, and metrology labs. With an annual export value of US$2.5 – US$5 million, we have successfully supplied gears to clients in over 20 countries including the USA, Germany, Australia, and Brazil. Our quality management systems are certified under ISO 9001, ISO 14000, and OHSAS 18001, ensuring consistent product quality and environmental responsibility. We also hold additional certifications such as TL900 and SA8000, reflecting our commitment to excellence across all operations. Your mining equipment deserves components that keep it running under the toughest conditions – trust San Kuang’s custom gear hobbing solutions to deliver.
Frequently Asked Questions (FAQ)
Q: What is the typical lead time for custom large helical gears?
A: Lead time depends on complexity and quantity. Standard orders range from 4 to 8 weeks after design approval. Rush orders can be arranged with prior discussion.Q: Can you provide gears with special tooth profiles like modified involute?
A: Yes, we offer custom tooth modifications (tip relief, profile crowning) to optimize load distribution and reduce noise. Please provide your design requirements.Q: Do you offer heat treatment services for 42CrMo4 gears?
A: Absolutely. We provide quenching and tempering, carburizing, and nitriding options based on your hardness and core toughness needs. This is customizable.Q: How do you ensure the gears meet ISO 6336 strength requirements?
A: Our engineering team performs calculations for bending and pitting resistance per ISO 6336. We also conduct load testing on prototype gears when required.Q: What is the maximum diameter you can hob?
A: Our current hobbing machines can handle gears up to 3000 mm outside diameter. For larger sizes, we can explore alternative machining methods.Q: Do you provide material certificates and inspection reports?
A: Yes, we supply mill certificates for raw materials, along with dimensional inspection reports and NDT results (MPI, UT) upon request.Q: Can you handle large quantities (e.g., 500+ pieces) for mining gear replacements?
A: Our production capacity allows for both small batch prototypes and mass production volumes. We have produced over 2000 identical gears for a single client previously.Q: What are the shipping options for heavy gears?
A: We ship via FOB from Shanghai, Lianyungang, Qingdao, or Tianjin. For heavy items, we use flat racks or break-bulk vessels. Door-to-door delivery can be arranged.
Contact us today to discuss your specific requirements. Our technical team is ready to provide a quotation and engineering support for your mining gear projects.
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